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SUMMARY:Mixing pathways in forced stratified turbulence - Chris Howland (D
 AMTP)
DTSTART:20190607T120000Z
DTEND:20190607T130000Z
UID:TALK123313@talks.cam.ac.uk
CONTACT:Joseph Ibrahim
DESCRIPTION:Turbulent mixing plays a vital role in the vertical transport 
 of heat\, nutrients and carbon through the ocean. Its simple parametrisati
 on in large-scale circulation models contributes to significant uncertaint
 ies in global climate predictions. To improve our understanding of mixing\
 , we perform high-resolution 3D direct numerical simulations of forced str
 atified turbulence. Motivated by the ocean's ambient internal wave field\,
  we force the flow with propagating internal gravity waves. We compare thi
 s flow to that arising from random forcing used in previous stratified tur
 bulence studies and find that mixing is achieved through qualitatively dif
 ferent energy pathways in the two cases.
LOCATION:LT6\, Baker Building\, CUED
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